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| Responsible Owner: Work Group [\[%wgt fhir%\]]([%wg fhir%]) & [\[%wgt aid%\]]([%wg aid%]) | [Standards Status](versions#std-process):[Informative](versions#std-process) |
| --- | --- |

## Implementation Support Module

### Introduction

This section provides information which will be useful for FHIR implementers, including information about available libraries, tools, and other similar resources, as well as where to seek help.

### Index

In addition to the content below, a number of implementation resources can be found on the [Downloads Page](./downloads).

This module also contains some specific documentation that relates to issues commonly encountered by developers:

| 
-   [Requirements](requirements) and [ActorDefinition](actordefinition)
-   [Validating Resources](validation)
-   [Common Usages](usecases)
-   [ExampleScenario](examplescenario)

 | 

-   [Mapping Language](mapping-language) ([Tutorial](mapping-tutorial) & [StructureMap](structuremap))
-   [FHIRPath](fhirpath)
-   [Clinical Safety Considerations](safety)
-   [Managing Resource Identity](managing)
-   [Interaction Patterns](pushpull)
-   [Update Rules](updates)
-   [Clinical Examples](integrated-examples)

 | 

-   [How FHIR fits into an EHR](ehr-fm)
-   [Version Management Policy](versions)
-   [Comparisons:](comparison)

-   [v2](comparison-v2) &
-   [v3 Messaging](comparison-v3)
-   [CDA](comparison-cda) + [CDA on FHIR](cda-intro)
-   [Other Specifications](comparison-other)

 |
| --- | --- | --- |

In addition to the content of this module, HL7 is actively working on [Additional resources](resource#additional) that support testing FHIR Implementations in the [Testing FHIR IG]([%ig testing%]).

### Security and Privacy

For more general considerations, see [the Security and Privacy module](secpriv-module).

### Common Use Cases

#### For Client Developers and Testers: Reference Servers

The HL7 Confluence has a [list of public test servers](https://confluence.hl7.org/display/FHIR/Public+Test+Servers) that have been created by the FHIR community and made available to help implementers test their code. While the reference servers are not considered to be a normative part of the FHIR specification, the maintainers make every effort to ensure that they are fully compliant.

#### For Developers: Reference Implementations (Libraries)

The HL7 Confluence has a [list of open source FHIR implementations](https://confluence.hl7.org/display/FHIR/Open+Source+Implementations). These libraries may be used by developers to quickly add FHIR capabilities to their applications.

#### For Profilers

A number of tools are available to profilers wishing to create profiles for use in their implementations. A current list of tools can be found [here](https://confluence.hl7.org/display/FHIR/Profile+Tooling) on HL7 Confluence. (See the [conformance module](./conformance-module) for information on profiling.)

#### For Testers

A number of tools are available to solution testers who want to test FHIR implementations for conformance to the FHIR specification. A current list of such tools can be found [here](https://confluence.hl7.org/display/FHIR/Testing+Platforms).

### Getting Help

The following are a few ways that implementers can seek help as they work with FHIR:

-   [FHIR Chat Channel / Zulip](http://chat.fhir.org/) (maintained by the FHIR Foundation)
-   [FHIR Community Forum](http://community.fhir.org/) (maintained by the FHIR Foundation)
-   [StackOverflow](http://stackoverflow.com/questions/tagged/hl7_fhir) (General tech community, use the tag `hl7_fhir`)
-   [HL7's FHIR Documentation](https://confluence.hl7.org/display/FHIR)

### Developmental Roadmap

Most of the implementer support work has moved away from the specification, and little further work is planned here. Implementers can connect to the very active community using the links above.

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